Mr. Soltan is an engineer with almost twelve years of construction and civil engineering experience. He has been appointed as a delay expert and has acted as an assistant to named expert on nine occasions.

Mr. Soltan specialises in a wide range of analysis techniques, including time impact/windows, impacted as-planned, and as-planned versus as-built. He provides clarity and focus in identifying critical and near-critical delay periods on projects and potential causes of those delays. He has supported clients for projects with values up to $1.3 billion and disputed values in excess of $430 million.

Mr. Soltan has strong data analytics management skills assisting in data storage, extraction, and cleansing and participates in collecting, organizing, and interpreting data along with the project team.

Mr. Soltan has a background in quality management and health and safety, including expertise in management systems and compliance with design supervision and execution of works contracts. He has worked as a planner and delay analyst for both contracting and consulting companies on projects ranging from infrastructure and industrial to technology and residential buildings.

Andrei Soltan has testified and been cross-examined in the International Chamber of Commerce (ICC) International Court of Arbitration, including giving concurrent evidence (hot-tubbing).

Mr. Soltan has testified during dispute adjudication board (DAB) proceedings on five occasions. He also has assisted in the production of delay expert reports, reply reports, joint statements, and delay analysis for varied disputes and is experienced in presenting to adjudication proceedings.

Who’s Who Legal (WWL) recognised Mr. Soltan as a Future Leader in 2019, 2020, and 2021 Arbitration Expert Witnesses, Construction Expert Witnesses, Experts-Construction – Quantum, Delay, and Technical categories.

Mr. Soltan is an accredited expert and has undertaken Legal Experience Training’s Advanced Professional Award in Expert Witness Evidence training. The accreditation is a Level 7 BTEC which is at the level of a master’s degree. He has completed the assessments and has been awarded the Advanced Professional Award in Expert Witness Evidence.

Employment History

HKA, Sinagpore & London
Associate director

Delay and quality management expert engineer consultant

Quality assurance and control specialist

Romair Consulting
Quality director

Hyder Consulting
Translator and assistant

Professional Affiliations

The Academy of Experts
Practising member

Society of Construction Law (SCL), UK and Singapore

Association for the Advancement of Cost Engineering

Areas of Expertise


Galway-Mayo Institute of Technology
BSc, Mechanical and Industrial Engineering, 2006

University Politehnica of Bucharest
Dipl.-Ing., Faculty of Engineering and Management of Technological Systems, 2006


Who’s Who Legal: Future Leader

  • Arbitration 2021 – Expert Witnesses

“I highly recommend Andrei for his expert work in construction delay disputes”

  • Construction Expert Witnesses 2021

“He is very good at explaining and simplifying complex issues”

  • Experts – Construction – Quantum, Delay & Technical

“Andrei Soltan is ‘highly capable witness,’ who ‘has an exceptional ability to look into the depths of a problem and come out with the best solution.'”